Tubular lantern



(No Model.)

F. DIETZ. TUBULAR LANTERN.

N0. 453 760. Patented June 9,1891.

NlTED STATES PATENT OFFICE.

-FREDERICK DIETZ, OF NEXV YORK, N. Y., ASSIGNOR TO THE R. E. DIETZCOMPANY, OF SAME PLACE, AND THE STEAM GAUGE AND LAN'ERN COM- PANY, OFROCHESTER, NElV YORK.

TUBULAR LANTERN.

SPECIFICATION forming part of Letters Patent No. 453,7 60, dated June 9,1891.

Application filed April 11,1889. $erial No. 306,799. (No model.)

To all whom it nay concern; lar connection lengthwise in the center andBeit known that I, FREDERICK DIETZ, a cititransversely at both ends ofthe longitudinal zenottheUnited States,residingatNew York, slit down tothe top of the enlargement E. in the county and State of New York, haveThe latter is constructed with a closed top 6,

invented new and useful Improvements in which covers the entire upperend of the en- 5 5 Tubular Lanterns, of which the following islargemcnt, except where the tube branches 0 a specification. andconnection F extend across the top. The

This invention relates to that class of large two flaps or flanges g gof the enlargement E,

tubular lanterns orlamps whiehare designed which are formed by thelongitudinal and r0 for use where a powerful illumination isdetransverse slits, are bent upwardly, so as to sired-for instance, forthe illumination of project vertically above the top of the enstreetsand public places and in packinglargement E on both sides of the openingf, as houses, mills, &c. clearly shown in Fig.

The object of this invention is to connect II represents the oil-pot; h,the burner; I, r 5 the air-tubes to the base of the lamp or lantheair-chamber above the oil-pot communitern in a simple and secure manner;and my eating with the burner, and J the air-chaminvent-ion consists tothat end of the improveber below the oil-pot, which receives the airments which willbehereinafterfully set forth, from the tubes.Communication is established and pointed out in the claims. between thelower air-chamber J and the up- 20 In. the accompanying drawings, Figure1 is per air-chamberlby upright tubes K, extendan. elevation, partly insection, of a globe ing through the oil-pot, as representedin Fig.street-lamp provided with myimprovements. l, or by an annularair-passage K, surround- Fig. 2 is a fragmentary vertical section of theing the oil-pot, as represented in Fig. 5. The lower portion of the lampat right angles to bottom of the lower air-chamberJ is provided 2 5Fig. 1. Fig. 8 is a similar view showing, the with two semi-cylindricalgrooves or depresoil-pot raised from its support. Fig. 4: is a sionsll,which fitoverthe inner portionsof the cross-section in line .60, Fig. 2.Fig. 5 is a tube branches 0 c, which are raised above the fragmentaryvertical section of thelower portop 6 of the enlargement E. An opening mtion of the lamp, showing a slightly-modified is formed in the bottom ofthe lower air-cham- 0 construction of the oil-pot and its air-passages.ber J between the depressionsll, which open- Like letters of referencerefer to like parts ing registers with the opening f in the conin theseveral figures. nection F. The sides of the opening on are A representsthe top 01: the lamp-frame; protected by upright flanges n n. The up- B,the globe, and C C the side tubes,havright flanges g 9 project into theopening m,

3 5 ing at their lower ends inwardly-extending as represented in Fig. 2,whereby the oil-pot ln'anches c c. is held against displacement on thetop of the (Z represents the )ost-sockct, arranged beenlargement E,while it can be readily lifted low the lower branchesccot the air-tubesand off and removed laterally from the lamp for provided at its upperend with a continuation trimming, &c., when the globe has been raised.

40 or enlargement E, which extends above the The air which passesdownwardly through the socket proper and which is preferably made sidetubes issues upwardly through the openupwardly flaring. The branches 0 cof the ing f in the tubular connection F, enters the air-tubes penetratethe walls of the enlargelower air-chamber J through the opening anmentE, and are connected within said enlargethereof, and passes thenceupwardly to the 45 ment by a horizontal tubular piece F, which burner.The lower branches of the air-tubes is preferably formed in one piecewith the penetrate the walls of the enlargement E and branches 0 c. Thistubular connection is proare firmly secured within the same, thus es-Vided at its top with an openingf, through tablishing a secure anddurable connection which the air issues upwardly. This openbetween thepost-socket and the tubular lamp- 50 ing is formed by slitting the topof the tubuframe. The removable oil-pot with its air- 10o chambers findsa large and reliable support upon the top of the enlargement and issecurely held on the same against lateral displacement by the projectingportions of the air-tubes, which enter the opening in the bottom of thelower air-chamber.

I claim as my invention 1. The combination, with the post-socket havingat its'upper end an enlargement provided with a closed top, of air-tubeshaving their lower portions penetrating the sidewall of saidenlarge-ment'and connected byahorizontal tube, which is provided with anopen- 7 ing above the top of said enlargement, anda laterally-removableoil-pot having an air chamber or passage which receives the air fromsaid opening, substantially as set forth.

2. The combination, with. the post-socket FREDERICK DIETZ. LL. s]

\Vitnesses;

I. J. ALLEN, W. H. DEHART.

